refactor: code cleanup on Auth pages

TicketOffice/Pages/Auth/Login.cshtml

@@ -14,15 +14,15 @@
             Авторизація
         </div>
         
-        <input class="field" type="text" placeholder="E-mail" autocomplete="off" asp-for="Email"/>
+        <input class="field" type="text" placeholder="E-mail" autocomplete="off" asp-for="User.Email"/>
         <div class="validation-error">
-            <span>@Model.EmailValidation</span>
+            <span>@Model.EmailValidationError</span>
         </div>
         <br>
 
-        <input class="field" type="password" placeholder="Пароль" autocomplete="off" asp-for="Password"/>
+        <input class="field" type="password" placeholder="Пароль" autocomplete="off" asp-for="User.Password"/>
         <div class="validation-error">
-            <span>@Model.PasswordValidation</span>
+            <span>@Model.PasswordValidationError</span>
         </div>
         <br>
 

TicketOffice/Pages/Auth/Login.cshtml.cs

@@ -9,13 +9,10 @@ namespace TicketOffice.Pages.Auth;
 
 public class LoginModel : PageModel
 {
-    [BindProperty] public string Email { get; set; } = String.Empty;
+    [BindProperty] public User? User { get; set; }
-    [BindProperty] public string Password { get; set; } = String.Empty;
     
-    public string EmailValidation;
+    public string EmailValidationError;
-    public string PasswordValidation;
+    public string PasswordValidationError;
-    
-    private List<User> User { get; set; }
 
     private readonly TicketOfficeContext _context;
     
@@ -30,7 +27,10 @@ public class LoginModel : PageModel
     {
         if (ValidateForm())
         {
-            HttpContext.Session.SetInt32("UserId", User.First().Id);
+            User user = _context.User.FirstOrDefault(u => u.Email == User.Email);
+            
+            HttpContext.Session.SetInt32("UserId", user.Id);
+            HttpContext.Session.SetInt32("IsManager", user.IsManager ? 1 : 0);
             return RedirectToPage("/Auth/Account");
         }
 
@@ -39,15 +39,13 @@ public class LoginModel : PageModel
 
     private bool ValidateForm()
     {
-        User = _context.User
+        User? user = _context.User.FirstOrDefault(u => u.Email == User.Email);
-            .Where(u => u.Email == Email)
-            .ToList();
 
-        return ValidateEmail(Email, out EmailValidation) && ValidatePassword(Password, out PasswordValidation);
+        return ValidateEmail(User.Email, out EmailValidationError) && ValidatePassword(User.Password, out PasswordValidationError);
         
         bool ValidateEmail(string email, out string validationError)
         {
-            if (User.Count == 1)
+            if (user is not null)
             {
                 validationError = String.Empty;
                 return true;
@@ -73,7 +71,7 @@ public class LoginModel : PageModel
 
         bool ValidatePassword(string password, out string validationError)
         {
-            if (User.First().Password == password)
+            if (user.Password == password)
             {
                 validationError = String.Empty;
                 return true;

TicketOffice/Pages/Auth/Registration.cshtml

@@ -14,15 +14,15 @@
             Реєстрація
         </div>
         
-        <input class="field" type="text" placeholder="E-mail" autocomplete="off" asp-for="Email"/>
+        <input class="field" type="text" placeholder="E-mail" autocomplete="off" asp-for="User.Email"/>
         <div class="validation-error">
-            <span>@Model.EmailValidation</span>
+            <span>@Model.EmailValidationError</span>
         </div>
         <br>
 
-        <input class="field" type="password" placeholder="Пароль" autocomplete="off" asp-for="Password"/>
+        <input class="field" type="password" placeholder="Пароль" autocomplete="off" asp-for="User.Password"/>
         <div class="validation-error">
-            <span>@Model.PasswordValidation</span>
+            <span>@Model.PasswordValidationError</span>
         </div>
         <br>
 

TicketOffice/Pages/Auth/Registration.cshtml.cs

@@ -9,13 +9,10 @@ namespace TicketOffice.Pages.Auth;
 
 public class RegistrationModel : PageModel
 {
-    [BindProperty] public string Email { get; set; } = String.Empty;
+    [BindProperty] public User User { get; set; }
-    [BindProperty] public string Password { get; set; } = String.Empty;
     
-    public string EmailValidation;
+    public string EmailValidationError;
-    public string PasswordValidation;
+    public string PasswordValidationError;
-    
-    private List<User> User { get; set; }
 
     private readonly TicketOfficeContext _context;
     
@@ -26,19 +23,16 @@ public class RegistrationModel : PageModel
 
     public ActionResult OnGet() => ValidateSession() ? RedirectToPage("/Auth/Account") : Page();
 
-    public ActionResult OnPostAsync()
+    public ActionResult OnPost()
     {
         if (ValidateForm())
         {
-            _context.User.Add(new User {Email = Email, Password = Password});
+            _context.User.Add(User);
-            
             _context.SaveChanges();
 
-            User = _context.User
+            User = _context.User.FirstOrDefault(u => u.Email == User.Email);
-                .Where(u => u.Email == Email)
-                .ToList();
             
-            HttpContext.Session.SetInt32("UserId", User.First().Id);
+            HttpContext.Session.SetInt32("UserId", User.Id);
 
             return RedirectToPage("/Auth/Account");
         }
@@ -48,7 +42,7 @@ public class RegistrationModel : PageModel
 
     private bool ValidateForm()
     {
-        return ValidateEmail(Email, out EmailValidation) && ValidatePassword(Password, out PasswordValidation);
+        return ValidateEmail(User.Email, out EmailValidationError) && ValidatePassword(User.Password, out PasswordValidationError);
 
         bool ValidateEmail(string email, out string validationError)
         {
@@ -66,11 +60,9 @@ public class RegistrationModel : PageModel
                 return false;
             }
 
-            User = _context.User
+            User user = _context.User.FirstOrDefault(u => u.Email == User.Email);
-                .Where(u => u.Email == Email)
-                .ToList();
 
-            if (User.Any())
+            if (user is not null)
             {
                 validationError = "E-mail уже зареєстровано";
                 return false;